Which stocks do IWO and XBI both hold?

97 stocks are in both. The biggest shared positions: KRYS (0.6% of IWO, 1.1% of XBI), PRAX (0.5% of IWO, 1.3% of XBI), TGTX (0.5% of IWO, 1.1% of XBI), PTGX (0.5% of IWO, 1.1% of XBI), ALKS (0.4% of IWO, 1.1% of XBI).

IWOvsXBI

iShares Russell 2000 Growth ETF or State Street SPDR S&P Biotech ETF, side by side from their own SEC filings. 13% of their stock holdings are the same at the same weight, across 97 stocks in both. IWO costs 0.24% a year against 0.35% for XBI, $11 a year less on $10,000. Over the last twelve months IWO returned +38.6% and XBI +91.7%.

13%of the two portfolios is the same stocks at the same weight

IWO13% in stocks the other holds too

XBI63% in stocks the other holds too

stocks in bothstocks only in that fundbonds, cash and unmatched shares

The two funds

From each fund's latest N-PORT filing and its prospectus.

IWOXBIYearly cost0.24%0.35%Net assets$15.4B$10.7BPositions1,137161Last 12 months+38.6%+91.7%3 years, a year+18.3%+24.1%5 years, a year+5.5%+3.3%Largest holdingBlackRock 14.8%State 5.9%Main sectorHealthcare 27%Healthcare 94%Holdings as ofJun 30, 2026Jun 30, 2026

Returns are total returns with dividends reinvested, from the funds’ own monthly figures; “(price)” marks a fund whose filing record is younger than a year, whose twelve months are its price change. The stronger figure in each row is set in bold. Past returns say what happened, not what will.

Growth of $100

Both funds from July 2019, the first month both report, dividends reinvested.

IWO$204XBI$182

July 2019June 2026

What they both hold

97 stocks are in both funds: 13% of IWO and 63% of XBI. The biggest shared positions:

Stockin IWOin XBI

KRYSKrystal Biotech, Inc.0.6%1.1%PRAXPraxis Precision Medicines, Inc.0.5%1.3%TGTXTG Therapeutics, Inc.0.5%1.1%PTGXProtagonist Therapeutics, Inc.0.5%1.1%ALKSAlkermes plc0.4%1.1%SYRESpyre Therapeutics, Inc.0.4%1.1%COGTCogent Biosciences, Inc.0.4%1.1%TWSTTwist Bioscience Corporation0.4%1.4%RYTMRhythm Pharmaceuticals, Inc.0.4%1.2%KYMRKymera Therapeutics, Inc.0.4%1.4%

Only in IWO

Its biggest stocks the other fund does not hold.

Only in XBI

Its biggest stocks the other fund does not hold.

More comparisons

IWM vs IWO IWO vs VTWO IWO vs SPSM IJR vs IWO IJT vs IWO IBB vs XBI VHT vs XBI VBK vs XBI

From each fund’s Form N-PORT (IWO: June 2026, XBI: June 2026) and prospectus, via the SEC’s public data sets. Overlap counts only the stocks we can match to a listing: stock by stock, the smaller of the two weights, added up.